Nash Ambassador Engine Oil Additives

Classic cars ran on normal motor oils for decades, so why change now? The answer lies in the evolution of gasoline engines and how motor oil has co-evolved.

Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.

Learn the benefits and effects of ethanol in gasoline and what to do to prevent issues from ethanol on your fuel system. Find out more on ethanol warning labels.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

In this Tech Tip, John offers up a couple solutions to a somewhat common problem of fuel expansion on the older vehicles.